300 micronPP Filter BagBuy Cheap manufacturer/factory/supplier of 300 micron Polypropylene(PP) Felt Filter Bags at wholesale prices on COX NYLON FILTER BAG FABRIC. 300 micron Polypropylene(PP) Felt Filter Bags, with sizes of 1# 7*17", 2# 7*32", 3# 4*9", 4# 4*15", 5# 6*22" and other sizes , both welded and sewn(stitched) bag are available，are specially used for […]